Usami; Toshiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Usami; Toshiro.The latest application filed is for "method of making a through hole in multi-layer insulating films".

Company Profile

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Usami; Toshiro - Yokohama JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of making a through hole in multi-layer insulating films Grant 5,378,652 - Samata , et al. January 3, 1	1995-01-03
Semiconductor device silicon via fill formed in multiple dielectric layers Grant 5,291,058 - Samata , et al. March 1, 1	1994-03-01
Method of manufacturing semiconductor device Grant 5,238,859 - Kamijo , et al. August 24, 1	1993-08-24
Solid-state imaging device applicable to high sensitivity color camera and using diffraction gratings Grant 5,210,400 - Usami May 11, 1	1993-05-11
Vertical field effect transistor with an extended polysilicon channel region Grant 5,181,088 - Mikata , et al. January 19, 1	1993-01-19
Method of manufacturing a semiconductor memory device having a floating gate electrode composed of 2-10 silicon grains Grant 5,149,666 - Mikata , et al. September 22, 1	1992-09-22
Method of manufacturing semiconductor device Grant 5,032,535 - Kamijo , et al. July 16, 1	1991-07-16
Semiconductor memory device and method of manufacturing the same Grant 5,031,010 - Mikata , et al. July 9, 1	1991-07-09
Defect-recognition processing apparatus Grant 4,958,373 - Usami , et al. September 18, 1	1990-09-18
Semiconductor memory device for storing image data Grant 4,893,273 - Usami January 9, 1	1990-01-09
Method of manufacturing SiO.sub.2 -Si interface for floating gate semiconductor device Grant 4,597,159 - Usami , et al. July 1, 1	1986-07-01

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